How many box substations are there?
Release time：
2022-05-18
Box substation is a kind of compact distribution equipment which can be used indoors and outdoors. It is prefabricated in a factory, which integrates high-voltage switchgear, distribution transformer and low-voltage distribution device according to certain wiring scheme.
Box substation is a kind of compact distribution equipment which can be used indoors and outdoors. It is prefabricated in a factory, which integrates high-voltage switchgear, distribution transformer and low-voltage distribution device according to certain wiring scheme. Mechatronics, fully closed operation, especially suitable for urban network construction and transformation, and with the characteristics of safe, convenient and efficient electricity, gradually replace the civil substation.
There are five main types of box substations, the last of which has recently become very popular!
One, European box change
European box transformer, also called combined substation, they are the high voltage switchgear, distribution transformer, low voltage distribution device respectively arranged in three different compartments, electrical connection through cables and busbars, is the most common box substation in life.
Two, American box change
American box change is also known as integral box change, and European box change can be seen from the appearance of the obvious difference. The transformer is generally composed of transformer, 10kV ring network switch cabinet, cable plug, low-voltage pile head box. American box has the advantages of small volume, easy to install, camouflage, most of the box is dark green, easier to coordinate with the community and other environment.
Three, buried box change
Buried box change, also known as landscape buried box change. In the box substation, its structure is similar to the European box transformer. However, as a result of "buried", it is necessary to optimize and upgrade some equipment.
The buried box covers a smaller area or even does not occupy the ground land area, effectively solve the urban land shortage and urban "psoriasis" and other problems. Buried box transformer is divided into half buried and full buried, half buried words can be arranged on both sides of the box advertising, play a role outside the distribution, that is, often said landscape box transformer.
Four, prefabricated cabin type box change
Prefabricated compartments can be seen as larger and more complex box substations that look like containers. Prefabricated cabin is the state grid to give "standard distribution type" this core concept, launched on the smart substation. It is composed of prefabricated box body, secondary transformer equipment, cabin auxiliary facilities, manufacturing, assembly, wiring, debugging in the factory, transported to the project site for installation.
Five, miniaturized box change
Urban electricity capacity is rising, the occupation of land is increasingly tense, the demand for power distribution and distribution equipment miniaturization is more and more urgent, so in recent years miniaturization box becomes popular!
One of the main selling points of miniaturization box transformer is miniaturization, which is essentially a European box transformer with "font" layout. This new type of small box-type substation has great advantages in the transmission and transformation of the main roads and busy streets of the city. Generally speaking, covers an area of only 3 square meters, its design style and heat dissipation performance are very in place. Although the volume is small, but the performance is great, the box is arranged with more advanced electrical equipment layout and intelligent control unit, operation and maintenance are very easy.
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